Unit 15A 類別定義與動畫

Unit 15A 類別定義與動畫(5%~10%)

1.      點按滑鼠，在滑鼠點按位置(圓中心)畫圓(3%)

2.      產生連續爆炸圖(3%)

3.      產生爆炸圖兩次(2%)

4.      點按滑鼠，在滑鼠點按位置產生爆炸圖兩次(3%)

5.      兩物體碰撞後產生爆炸圖(3%)

6.      顯示影像

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace 爆炸01

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        Image im = Properties.Resources.fire;

        int x, y; //滑鼠點按位置

        Random rd = new Random();

        int w, h; //小圖寬高

        //宣告放小圖的二維陣列

        Rectangle[,] re = new Rectangle[3, 5];

        int r = 0, c = 0; //小圖陣列註標位置

        private void Form1_Load(object sender, EventArgs e)

        {

            this.Width = 960; this.Height = 640;

            this.DesktopLocation = new Point(8, 8);

            w = im.Width / 5; h = im.Height / 3;

            //切割影像放在二維矩形

            for (int i= 0;i<3;i++)

                for (int j = 0; j < 5; j++)

                    re[i, j] = new Rectangle(j * w, i * h, w, h);

        }

        private void Form1_Paint(object sender, PaintEventArgs e)

        {

            this.DoubleBuffered = true;

            e.Graphics.DrawImage(im, 300, 200, re[r,c],

                GraphicsUnit.Pixel);

        }

    }

}

Unit 14A 類別定義與動畫

「類別」可以有很多屬性，有「類別」比較好管理

Ex:球具有圓心、顏色、穿透性(反彈係數)…靜態特性

專案>加入類別 bomb.cs

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace 類別1

{

    class bomb

    {

        public int x, y, r,mx,my, w, h; //類別成員變數: 圓心、直徑、移動方向、視窗寬高

        public Brush br; //顏色非整數

        public bomb() { } //宣告類別變數，空的建構元constructor

        public bomb(int x1, int y1, int r1, int mx1, int my1,Brush br1, int w1, int h1) //指定初值

        {

            x = x1; y = y1; r = r1; mx=mx1 ; my=my1; br = br1; w = w1; h = h1;//右邊指定給左邊

        }

        public void drawC(Graphics g)//畫圓要有畫布

        {

            g.FillEllipse(br,x-r/2,y-r/2,r,r); //(x,y)圓心

        }

        public void move()

        {

            x=x+mx; y=y+my;//mx:移動的x方向距離

            if (x+r/2>w-3) //碰右牆

                mx=-mx;

            else if (x-r/2<0) //碰左牆

                mx=-mx;

            else if (y+r/2>h) //碰視窗下緣

                my=-my;

            else if (y-r/2<0) //碰視窗上緣

                my=-my;

        }

    }

}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace 類別1//主程式

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

            Random rd = new Random(); //定義亂數

           

            bomb[] bo = new bomb[5]; //很多個球用中括號

        private void Form1_Load(object sender, EventArgs e)

        {

            this.Width = 960; this.Height = 640;

            this.DesktopLocation = new Point(5, 10);

            for (int i=0;i<bo.Length; i++)    //陣列初值for迴圈

                bo[i]=new bomb(rd.Next(50,900), rd.Next(50,550),

                    rd.Next(48,120), rd.Next(-25,25),rd.Next(-25,25),

                    new SolidBrush(Color.FromArgb(rd.Next(99,255),

                        rd.Next(99,255),rd.Next(99,255))),960,640);

        }

        private void Form1_Paint(object sender, PaintEventArgs e)

        {

            this.DoubleBuffered = true;

            for (int i = 0; i < bo.Length; i++)

                bo[i].drawC(e.Graphics);

                    }

        private void timer1_Tick(object sender, EventArgs e)

        {

            for (int i = 0; i < bo.Length; i++)

                bo[i].move();

            for (int i = 0; i < bo.Length; i++)

                for (int j = i + 1; j < bo.Length;j++ )

                    if (collide(bo[i], bo[j]))

                    {

                        bomb t = new bomb();

                        t.mx = bo[i].mx;

                        t.my = bo[i].my;

                        bo[i].mx = bo[j].my;

                        bo[i].my = bo[j].my;

                        bo[j].mx = t.mx;

                        bo[j].my = t.my;

                    }

                    this.Refresh();

        }

        bool collide(bomb b1, bomb b2) //布林值

        {

            if((b1.x - b1.r/2 < b2.x + b2.r/2 &&

                b1.x + b1.r/2 > b2.x - b2.r/2 &&

                b1.y - b1.r/2 < b2.y + b2.r/2 &&

                b1.y + b1.r/2 > b2.y - b2.r/2))

                return true;

            else

                return false;

        }

    }

}

Unit 13 小影像動畫

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace 小影像動畫1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        int x=300, y=300; //x,y為小影像中心
        int r=0, c=0; //小圖列數行數
        int w, h; //大影像寬高
     
        Image im1 = Properties.Resources.wGirl;
        Rectangle[,] im = new Rectangle[4, 4];
        //設定小影像,im二維陣列,型態先給,四層樓同一個門牌號碼,
        //陣列從0開始,第0,第一,第二,第三...
        //影像變數為屬性.資源.檔案名稱
        private void Form1_Load(object sender, EventArgs e)
        {
            this.Width = 960; this.Height = 640;
            this.DesktopLocation = new Point(5, 10);
            //設定在桌面位置
           w = im1.Width / 4; h = im1.Height / 4;
            //小圖寬高為大圖寬高/4
            for (int i=0;i<4;i++)
            for(int j=0;j<4;j++)
                im[i,j]=new Rectangle(j*w,i*h,w,h);
            //i為列,j為行,跑兩個for迴圈
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            this.DoubleBuffered = true;
            e.Graphics.DrawImage(im1, 64, 64);
            //顯示影像局部矩形區域
            //e.Graphics.DrawImage(im, 左上x,左上y,矩形區域,GraphicsUnit.Pixel)
            e.Graphics.DrawImage(im1, x-r/2, y-c/2,im[r,c],GraphicsUnit.Pixel);
            //e表繪圖畫布變數的指令,
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            c++;
            c=c%4;
            //c為0,1,2,3,0,1,2,3
            this.Refresh();
        }

        private void label1_Click(object sender, EventArgs e)
        {
         
        }

        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Left)
            { r = 1; x = x - 3; }
            else if (e.KeyCode == Keys.Right)
            { r = 2; x = x + 3; }
            if (e.KeyCode == Keys.Up)
            { r = 3; y = y - 3; }
            else if (e.KeyCode == Keys.Down)
            { r = 0; y = y + 3; }
            this.Refresh();
        }
    }
}

Unit 11 按鍵

Unit 11A 按鍵控制

作業

按左右鍵會增加或減少5度

按上下可以增加或減少砲管r長度3

按空白鍵可以發射直徑為10的砲彈，發射口為砲管口(x,y),

每0.1秒x位置為x+r*cos(a),y位置為y-r*sin(a)+0.5*10*t*t,其中t為累計時間

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Drawing.Drawing2D; //擴增定義，線型

namespace 按鍵01

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        //宣告變數，畫筆顏色，亂數

        int x1 = 100, y1 = 600, x2, y2, a=90, r1=60, r2,p=0,q=0;

        int x3 = 300, y3 = 300, r3 = 100;

        double t = 0.1;

        Pen pe1, pe2; //線型顏色線寬樣式

        Random rd = new Random();

        private void Form1_Load(object sender, EventArgs e)

        {

            this.Width = 1024; this.Height = 640;

            pe1 = new Pen(Color.Purple, 10);

            //最前面新增using System.Drawing.Drawing2D;

            //線結束端點.EndCap樣式,起始端點.StartCap

            pe1.EndCap = LineCap.SquareAnchor;//Drawing2D

            pe1.StartCap = LineCap.SquareAnchor;

        }

        private void Form1_Paint(object sender, PaintEventArgs e)

        {

            this.DoubleBuffered = true;

                        //.FillRectangle(Brushes.色彩, 左上x, 左上y, 寬, 高)

            e.Graphics.FillRectangle(Brushes.Gold, x1 - 60, y1 - 20, 60 * 2, 30);

            e.Graphics.FillRectangle(Brushes.Goldenrod, x1 - 30, y1 - 40, 30 * 2, 20);

            //1度=1*3.1416/180 弳度

            x2 = x1+(int)(r1 * Math.Cos(a * Math.PI / 180)); //用三角函數算,轉換成整數

            y2 = y1-50-(int)(r1 * Math.Sin(a * Math.PI / 180));

            e.Graphics.DrawLine(pe1, x1, y1 - 50, x2, y2);

            e.Graphics.FillEllipse(Brushes.Black,x2-5+p,y2-5-q,10,10);

        }

        private void Form1_KeyDown(object sender, KeyEventArgs e)

        {

            //e.KeyCode:按鍵碼

            if (e.KeyCode == Keys.Left)

                a=a+10;

            else if(e.KeyCode==Keys.Right)

               a = a-10;

            if (e.KeyCode == Keys.Up)

            r1 = r1 + 3;

            else if (e.KeyCode == Keys.Down)

            r1 = r1 - 3;

            if (e.KeyCode == Keys.Space)

                timer1.Enabled = true;

            this.Refresh();

        }

        private void timer1_Tick(object sender, EventArgs e)

        {

            p = x2 + (int)(r1 * Math.Cos(a * Math.PI / 180));

            q = y2 -50- (int)(r1 * Math.Sin(a * Math.PI / 180)+0.5*10*t*t) ;

            t += 0.1;

            this.Refresh();

        }

    }

}